C++ (Cpp) cpu_enter_lowpower Examples

Example #1

File: hotplug.c Project: Duiesel/ZTE_Blade_L5

/*
 * platform_cpu_die: shutdown a CPU
 * @cpu:
 */
void platform_cpu_die(unsigned int cpu)
{
    int spurious = 0;
	struct wd_api *wd_api = NULL;

    HOTPLUG_INFO("platform_cpu_die, cpu: %d\n", cpu);

	get_wd_api(&wd_api);
    if (wd_api)
        wd_api->wd_cpu_hot_plug_off_notify(cpu);


    /*
     * we're ready for shutdown now, so do it
     */
    cpu_enter_lowpower(cpu);
    platform_do_lowpower(cpu, &spurious);

    /*
     * bring this CPU back into the world of cache
     * coherency, and then restore interrupts
     */
    cpu_leave_lowpower(cpu);

    if (spurious)
        HOTPLUG_INFO("platform_do_lowpower, spurious wakeup call, cpu: %d, spurious: %d\n", cpu, spurious);
}

Example #2

File: hotplug.c Project: mradermaxlol/HWY600-kernel

/*
 * platform_cpu_die: shutdown a CPU
 * @cpu:
 */
void platform_cpu_die(unsigned int cpu)
{
    int spurious = 0;
    struct wd_api *wd_api = NULL;

    HOTPLUG_INFO("platform_cpu_die, cpu: %d\n", cpu);

    get_wd_api(&wd_api);
    if (wd_api)
        wd_api->wd_cpu_hot_plug_off_notify(cpu);


#ifdef CONFIG_MTK_SCHED_TRACERS
    trace_cpu_hotplug(cpu, 0, per_cpu(last_event_ts, cpu));
    per_cpu(last_event_ts, cpu) = ns2usecs(ftrace_now(cpu));
#endif

    /*
     * we're ready for shutdown now, so do it
     */
    cpu_enter_lowpower(cpu);
    platform_do_lowpower(cpu, &spurious);

    /*
     * bring this CPU back into the world of cache
     * coherency, and then restore interrupts
     */
    cpu_leave_lowpower(cpu);

    if (spurious)
        HOTPLUG_INFO("platform_do_lowpower, spurious wakeup call, cpu: %d, spurious: %d\n", cpu, spurious);
}

Example #3

File: hotplug.c Project: Lesozav25/mtk_6572

/*
 * platform_cpu_die: shutdown a CPU
 * @cpu:
 */
void platform_cpu_die(unsigned int cpu)
{
    int spurious = 0;
    
    HOTPLUG_INFO("platform_cpu_die, cpu: %d\n", cpu);

#ifdef CONFIG_MTK_WD_KICKER
    wk_stop_kick_cpu(cpu);
#endif

    /*
     * we're ready for shutdown now, so do it
     */
    cpu_enter_lowpower(cpu);
    platform_do_lowpower(cpu, &spurious);

    /*
     * bring this CPU back into the world of cache
     * coherency, and then restore interrupts
     */
    cpu_leave_lowpower(cpu);
    
    if (spurious)
        HOTPLUG_INFO("platform_do_lowpower, spurious wakeup call, cpu: %d, spurious: %d\n", cpu, spurious);
}

Example #4

File: hotplug.c Project: AKToronto/IronBorn2

void platform_cpu_die(unsigned int cpu)
{
	if (unlikely(cpu != smp_processor_id())) {
		pr_crit("%s: running on %u, should be %u\n",
			__func__, smp_processor_id(), cpu);
		BUG();
	}
	complete(&__get_cpu_var(msm_hotplug_devices).cpu_killed);
	cpu_enter_lowpower();
	platform_do_lowpower(cpu);

	pr_debug("CPU%u: %s: normal wakeup\n", cpu, __func__);
	cpu_leave_lowpower();
}

Example #5

File: hotplug.c Project: 08opt/linux

/*
 * platform-specific code to shutdown a CPU
 *
 * Called with IRQs disabled
 */
void platform_cpu_die(unsigned int cpu)
{
	/*
	 * we're ready for shutdown now, so do it
	 */
	cpu_enter_lowpower();
	platform_do_lowpower(cpu);

	/*
	 * bring this CPU back into the world of cache
	 * coherency, and then restore interrupts
	 */
	cpu_leave_lowpower();
}

Example #6

File: hotplug.c Project: Blackburn29/PsycoKernel

void platform_cpu_die(unsigned int cpu)
{
	int spurious = 0;

	if (unlikely(cpu != smp_processor_id())) {
		pr_crit("%s: running on %u, should be %u\n",
			__func__, smp_processor_id(), cpu);
		BUG();
	}
	cpu_enter_lowpower();
	platform_do_lowpower(cpu, &spurious);

	pr_debug("CPU%u: %s: normal wakeup\n", cpu, __func__);
	cpu_leave_lowpower();

	if (spurious)
		pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
}

Example #7

File: hotplug.c Project: chillybean/CM_Harkness_Kernel

/*
 * platform-specific code to shutdown a CPU
 *
 * Called with IRQs disabled
 */
void __ref msm_cpu_die(unsigned int cpu)
{
	int spurious = 0;

	if (unlikely(cpu != smp_processor_id())) {
		pr_crit("%s: running on %u, should be %u\n",
			__func__, smp_processor_id(), cpu);
		BUG();
	}
	complete(&__get_cpu_var(msm_hotplug_devices).cpu_killed);
	/*
	 * we're ready for shutdown now, so do it
	 */
	cpu_enter_lowpower();
	platform_do_lowpower(cpu, &spurious);

	pr_debug("CPU%u: %s: normal wakeup\n", cpu, __func__);
	cpu_leave_lowpower();

	if (spurious)
		pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
}